diff options
| author | Thomas Weißschuh <thomas@t-8ch.de> | 2024-05-27 08:27:51 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-07-01 17:16:04 -0400 |
| commit | 6269086b0179e3d70750672174ed7fbd29ac7eaa (patch) | |
| tree | ad1438aa0e574c63ae30e525f1c3b133de6b70cc | |
| parent | 462dc749c110fe8e41ae0fb554b9bc2f2671e973 (diff) | |
hw/misc/pvpanic: add support for normal shutdowns
Shutdown requests are normally hardware dependent.
By extending pvpanic to also handle shutdown requests, guests can
submit such requests with an easily implementable and cross-platform
mechanism.
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Message-Id: <20240527-pvpanic-shutdown-v8-5-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/misc/pvpanic.c | 5 | ||||
| -rw-r--r-- | include/hw/misc/pvpanic.h | 4 | ||||
| -rw-r--r-- | include/sysemu/runstate.h | 1 | ||||
| -rw-r--r-- | system/runstate.c | 5 |
4 files changed, 14 insertions, 1 deletions
diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c index 4b2307d2c2..3b893340c0 100644 --- a/hw/misc/pvpanic.c +++ b/hw/misc/pvpanic.c @@ -41,6 +41,11 @@ static void handle_event(int event) qemu_system_guest_crashloaded(NULL); return; } + + if (event & PVPANIC_SHUTDOWN) { + qemu_system_guest_pvshutdown(); + return; + } } /* return supported events on read */ diff --git a/include/hw/misc/pvpanic.h b/include/hw/misc/pvpanic.h index 1e5b20e4ed..9a71a5ad0d 100644 --- a/include/hw/misc/pvpanic.h +++ b/include/hw/misc/pvpanic.h @@ -20,7 +20,9 @@ #include "standard-headers/misc/pvpanic.h" -#define PVPANIC_EVENTS (PVPANIC_PANICKED | PVPANIC_CRASH_LOADED) +#define PVPANIC_EVENTS (PVPANIC_PANICKED | \ + PVPANIC_CRASH_LOADED | \ + PVPANIC_SHUTDOWN) #define TYPE_PVPANIC_ISA_DEVICE "pvpanic" #define TYPE_PVPANIC_PCI_DEVICE "pvpanic-pci" diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h index 0117d243c4..e210a37abf 100644 --- a/include/sysemu/runstate.h +++ b/include/sysemu/runstate.h @@ -104,6 +104,7 @@ void qemu_system_killed(int signal, pid_t pid); void qemu_system_reset(ShutdownCause reason); void qemu_system_guest_panicked(GuestPanicInformation *info); void qemu_system_guest_crashloaded(GuestPanicInformation *info); +void qemu_system_guest_pvshutdown(void); bool qemu_system_dump_in_progress(void); #endif diff --git a/system/runstate.c b/system/runstate.c index ec32e270cb..fc49fd3e61 100644 --- a/system/runstate.c +++ b/system/runstate.c @@ -584,6 +584,11 @@ void qemu_system_guest_crashloaded(GuestPanicInformation *info) qapi_free_GuestPanicInformation(info); } +void qemu_system_guest_pvshutdown(void) +{ + qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); +} + void qemu_system_reset_request(ShutdownCause reason) { if (reboot_action == REBOOT_ACTION_SHUTDOWN && |